.box_div {
    margin-top:0px;
    z-index:100000;
    visibility: hidden;
/*
    left:200px;
    width:400px;
    height:188px;
*/
    position:absolute;
    top: 0px;
    padding:5px;
    border-width:1px;
    border-color:#cccccc;
    border-style:solid;
    background-color:#f5f5f5;
    filter:alpha(opacity=95);
    -moz-opacity:0.95;
  }
  .overflow_div {
/*
    height:150px;
*/
    overflow:auto;
    padding:5px;}